6 Easy Exercises to Strengthen Your Core
Move 1: Knee Fold Tuck
(A) Sit tall, hands on floor, knees bent, squeezing a playground ball between them. (B) Lift knees so shins are about parallel to the floor; extend arms. Pull knees toward shoulders, keeping upper body still. Bring knees back to starting position. Repeat 15 to 20 times.
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